What will come in place of question mark(?) in the following number series?
119 , 131, 155, 191, 239, (?)

if the monthly salary of a fan employee is increased by $$ 2{2\over 3}\% $$, he gets 72 rupees more. His Monthly salary (in rupees) is:

A DVD player was purchased for Rs 4860. At what price should it be sold so that 25% profit is earned?

If the 5 digit number 538xy is divisible by 3, 7 and 11, then the value of (x² +y²)  is:

A certain amount of money is lent out at compound interest at the rate of 20% per annum for two years, compounded annually. It would give Rs. 482 more if the amount is compounded half yearly. Find the principal.

If the length of the three sides of a triangle are 6 cm, 8 cm, and 10 cm,  then the length of the median to its greatest side is

An amount of money appreciates to Rs. 7,000 after 4 years and to Rs. 10,000 after 8 years at a certain compound interest compounded annually. The initial amount of money was